Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 53%

14:15

23:24

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:03, Set: 21:11, Transit: 13:06. Moon - Rise: 14:15, Set: 23:24. Civil Dark: 21:56 - 04:18. Nautical Dark: 23:03 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

74
67
57
72
85
84
90
86
59
22
38
52
87
87
55
91
95
96
95
94
96
99
97
98

Low Clouds (% Sky Obscured)

37
35
57
72
83
79
87
83
56
22
15
17
14
24
43
78
82
84
88
90
93
90
91
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
18
27
39
36
45
47
44
46
44
37
48
43
84

High Clouds (% Sky Obscured)

3
0
2
2
2
3
3
2
6
2
24
35
78
61
0
0
0
11
74
72
69
38
74
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
9
10
10
10
10
10
10
11
11
10
9
6
5
4
3
2
2
3
3
3
3

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
20
20
20
21
21
20
19
18
17
16
16
15
15
15
15
15
15
15

Feels Like (°C)

14
15
16
17
17
17
17
18
18
18
19
18
17
16
15
16
15
15
15
15
15
14
14
14

Dew Point (°C)

12
11
10
10
9
9
9
9
8
9
10
11
12
12
14
14
12
12
12
12
12
12
12
12

Relative Humidity (%)

83
71
62
57
52
50
49
48
45
47
51
57
63
69
81
89
80
80
80
82
83
82
82
80

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1026
1026
1026

Ozone (du)

331
332
330
329
328
328
328
329
328
328
328
329
331
335
336
336
335
331
328
327
327
325
325
324

Wednesday 22

Waxing Gibbous 63%

15:32

23:40

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:04, Set: 21:09, Transit: 13:06. Moon - Rise: 15:32, Set: 23:40. Civil Dark: 21:55 - 04:19. Nautical Dark: 23:00 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
99
99
97
83
77
65
52
59
69
100
100
96
100
100
100
100
100
80

Low Clouds (% Sky Obscured)

64
87
88
86
92
84
73
69
66
66
55
38
16
0
47
70
72
60
45
41
72
72
79
76

Medium Clouds (% Sky Obscured)

44
49
42
92
94
94
45
49
44
22
19
26
33
30
24
29
18
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
87
90
28
26
19
5
0
0
6
34
6
55
78
92
100
100
100
100
100
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
5
7
8
8
7
7
7
7
8
10
9
7
5
4
3
3
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

16
16
17
18
19
19
20
21
21
21
21
20
19
18
17
16
15
14
14
13
13
13
13
13

Feels Like (°C)

15
15
16
16
17
17
18
19
20
20
19
17
17
17
16
15
15
14
13
12
12
12
12
13

Dew Point (°C)

11
10
11
11
11
11
11
11
11
11
10
9
9
10
12
12
11
11
10
10
11
10
10
10

Relative Humidity (%)

73
67
64
61
61
57
56
53
54
54
50
50
53
59
74
80
79
79
78
79
90
86
83
82

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024

Ozone (du)

324
323
323
325
327
330
335
336
339
340
340
339
338
336
335
334
332
330
328
326
324
324
323
321

Thursday 23

Waxing Gibbous 72%

16:47

00:01

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 Bad
03 OK
04 Bad
05 Bad
06 OK

Sun - Rise: 05:06, Set: 21:08, Transit: 13:06. Moon - Rise: 16:47, Set: 00:01. Civil Dark: 21:53 - 04:21. Nautical Dark: 22:58 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
95
97
100
99
95
64
91
81
88
78
82
95
86
81
27
21
19
25
43
26
54
55
28

Low Clouds (% Sky Obscured)

68
73
69
90
81
91
43
68
65
72
70
64
66
65
64
15
17
12
10
13
15
16
14
12

Medium Clouds (% Sky Obscured)

0
32
24
28
27
27
50
34
23
28
19
24
37
26
22
11
3
7
10
13
14
14
16
16

High Clouds (% Sky Obscured)

80
70
50
60
56
40
2
5
4
2
5
3
8
7
4
7
3
5
4
24
7
33
34
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
4
5
6
7
7
7
8
8
8
7
6
6
6
6
6
5
4
3
4
5

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
21
22
22
23
22
22
21
20
19
18
17
17
16
15
15
14
15
15

Feels Like (°C)

15
16
18
18
19
19
19
21
20
21
21
20
20
20
18
18
17
18
16
16
16
15
15
15

Dew Point (°C)

11
11
12
12
12
13
13
12
15
15
16
16
15
15
14
14
13
13
14
14
13
12
13
13

Relative Humidity (%)

78
73
70
66
63
61
61
54
61
63
66
68
67
69
72
74
76
79
85
90
90
87
87
85

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

320
319
318
316
315
314
313
312
311
311
311
310
310
310
311
312
312
313
313
314
315
316
316
317

Friday 24

Waxing Gibbous 80%

17:59

00:31

07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:07, Set: 21:06, Transit: 13:06. Moon - Rise: 17:59, Set: 00:31. Civil Dark: 21:51 - 04:23. Nautical Dark: 22:55 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
46
75
78
92
94
99
100
70
82
63
45
45
49
49
69
83
100
100
100
100
94
86
81

Low Clouds (% Sky Obscured)

7
4
0
8
15
23
26
30
29
26
22
19
15
13
11
7
3
0
0
3
6
50
50
50

Medium Clouds (% Sky Obscured)

11
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
63
83
100
94
86
75

High Clouds (% Sky Obscured)

12
36
75
76
91
94
99
100
70
74
47
20
17
19
21
47
75
100
100
100
94
78
57
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
8
9
9
9
9
10
12
13
13
14
13
11
10
8
6
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

16
18
19
21
22
24
25
25
26
26
26
25
25
23
21
19
18
17
15
15
15
14
15
15

Feels Like (°C)

17
18
19
19
20
21
22
22
22
23
21
21
20
18
17
15
15
15
14
14
13
13
13
13

Dew Point (°C)

11
10
9
5
3
3
3
2
2
3
3
4
2
5
7
7
10
10
10
10
10
9
10
9

Relative Humidity (%)

72
60
49
35
28
26
24
21
20
21
23
24
23
32
41
46
59
66
68
70
71
70
70
68

Pressure (mb)

1019
1019
1019
1018
1018
1017
1016
1015
1015
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

319
319
320
320
320
322
323
323
323
324
324
323
323
321
320
321
321
320
320
320
324
329
335
340

Saturday 25

Waxing Gibbous 88%

19:02

01:14

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:09, Set: 21:05, Transit: 13:06. Moon - Rise: 19:02, Set: 01:14. Civil Dark: 21:49 - 04:25. Nautical Dark: 22:53 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

84
86
89
91
93
95
95
85
95
95
96
97
99
100
100
99
98
97
94
92
89
83
79
74

Low Clouds (% Sky Obscured)

50
50
45
57
62
75
41
42
76
38
87
94
99
99
100
97
94
91
79
65
52
62
69
74

Medium Clouds (% Sky Obscured)

80
34
29
30
40
88
88
65
87
87
88
91
95
96
97
87
79
74
67
61
54
41
32
26

High Clouds (% Sky Obscured)

48
61
76
67
62
58
55
10
3
55
11
3
6
9
11
8
4
0
1
1
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
0
0
1
5
21
56
52
54
61
66
69
69
66
52
36
9
22
25
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.2
0.3
0.3
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
12
14
15
17
17
16
19
18
18
14
14
13
13
14
13
13
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

15
17
19
21
22
23
23
23
24
23
22
21
20
19
18
18
18
17
17
17
17
17
17
17

Feels Like (°C)

13
14
15
17
17
17
18
18
18
18
17
18
17
16
16
15
14
14
14
15
15
15
15
16

Dew Point (°C)

9
11
10
9
7
6
8
6
6
9
12
17
17
16
16
16
16
16
15
15
15
14
14
15

Relative Humidity (%)

66
68
57
45
39
34
36
32
31
42
53
79
84
85
88
90
89
89
89
89
87
86
86
86

Pressure (mb)

1010
1009
1009
1008
1007
1006
1006
1005
1004
1004
1004
1003
1003
1001
1001
1000
1000
1000
999
999
999
999
1000
1001

Ozone (du)

334
332
329
328
328
327
328
330
331
328
328
328
327
329
330
331
336
341
346
350
354
359
360
361

Sunday 26

Waxing Gibbous 93%

19:52

02:10

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 05:11, Set: 21:03, Transit: 13:06. Moon - Rise: 19:52, Set: 02:10. Civil Dark: 21:47 - 04:27. Nautical Dark: 22:50 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
87
94
96
98
99
97
97
97
97
96
91
74
65
56
48
37
21
23
31
39
43
48
63

Low Clouds (% Sky Obscured)

75
78
78
78
83
88
88
90
90
90
90
91
74
57
36
26
13
2
19
31
39
42
36
29

Medium Clouds (% Sky Obscured)

30
32
38
38
41
40
35
26
18
17
13
11
8
5
1
1
2
2
1
1
0
6
12
15

High Clouds (% Sky Obscured)

0
0
0
0
1
1
2
3
4
3
3
2
1
1
1
1
1
0
0
0
0
7
15
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
21
17
22
19
15
17
11
1
3
3
4
2
1
1
2
1
0
0
1
1
8
11
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
13
13
13
13
11
8
7
5
6
8
6
3
2
3
5
7
7
8
8
8
9

Chance of Frost

Temperature (°C)

17
18
18
19
20
20
21
21
21
20
20
19
18
17
16
15
14
14
13
13
13
13
13
13

Feels Like (°C)

16
14
14
15
15
15
15
18
17
16
18
19
19
15
15
15
14
14
14
13
11
11
10
11

Dew Point (°C)

15
14
14
13
12
11
10
9
8
8
9
10
11
11
11
12
11
10
9
9
9
9
9
9

Relative Humidity (%)

86
79
73
67
59
54
48
46
45
43
50
56
64
69
75
83
80
80
79
79
77
77
75
75

Pressure (mb)

1001
1002
1003
1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1014

Ozone (du)

363
361
359
357
353
350
346
343
340
337
337
336
336
338
339
341
342
343
345
345
345
345
348
351

Monday 27

Waxing Gibbous 97%

20:28

03:18

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:12, Set: 21:02, Transit: 13:06. Moon - Rise: 20:28, Set: 03:18. Civil Dark: 21:46 - 04:28. Nautical Dark: 22:48 - 03:27. Astro Dark: N/A - 01:32

Total Clouds (% Sky Obscured)

64
63
66
76
88
97
86
75
64
56
46
36
28
24
20
21
23
27

Low Clouds (% Sky Obscured)

27
24
23
45
69
91
78
62
43
32
22
13
8
4
0
1
2
3

Medium Clouds (% Sky Obscured)

16
18
23
28
29
30
26
23
17
15
16
20
18
17
17
21
23
25

High Clouds (% Sky Obscured)

37
41
41
44
42
38
23
9
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
6
0
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
12
14
13
12
11
12
13
13
13
13
12
10
8
6
6
5

Chance of Frost

Temperature (°C)

14
15
17
19
19
20
21
22
23
24
23
23
22
20
18
16
15
15

Feels Like (°C)

12
13
13
13
14
15
17
17
17
17
18
19
19
19
18
17
17
16

Dew Point (°C)

9
8
8
7
7
8
8
8
8
7
7
7
8
8
9
10
10
11

Relative Humidity (%)

74
62
54
46
44
44
43
40
37
34
35
36
38
45
54
65
70
76

Pressure (mb)

1014
1014
1015
1015
1015
1015
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

354
353
351
350
349
348
348
345
342
339
338
338
337
338
339
339
339
340

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 21/07/26 07:04:11. Forecast: 21/07/26 to 27/07/26. Timezone: UTC+1.00